"Our goal is to restore the neighborhood to its original beauty," according to a newsletter the company sent to Mayflower residents last week. "We have also developed a plan to address concerns about the long-term value of homes in the Northwoods subdivision."

The March 29 pipeline rupture sent heavy Canadian crude oil gushing through the suburban neighborhood, forcing 22 homeowners to evacuate. Homeowners are free to return home on their own but many have decided to wait until the major work is completed. Heavy equipment on-site is replacing the storm drain that was contaminated by oil.

There also have been reports of a smell in some areas that raises health concerns. Results of indoor air quality testing done at 40 private homes showed non-detect readings and has been cleared by the Arkansas Department of Health and the U.S. Environmental Protection Agency, according to the newsletter.

"Again, we are very sorry for the disruption that we have caused. We know this incident has been a disruption to many community members," the newsletter says.

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